A novel strategy of entropy engineering at the A-site in spinel oxides for developing high-performance SOFC cathodes
Zhaohui Chen, Ben Ma, Chen Dang, Jian Che, Lin Cheng, Yingke Zhou
Abstract
A high-entropy design enhances ORR activity via structure and surface properties. An SOFC with a high-entropy cathode has a peak power density of 787.15 mW cm −2 at 800 °C and is stable for 100 hours.
Topics & Concepts
SpinelCathodeEntropy (arrow of time)Power densityMaterials scienceThermodynamicsChemistryMetallurgyPower (physics)Physical chemistryPhysicsElectrocatalysts for Energy ConversionElectronic and Structural Properties of OxidesAdvancements in Solid Oxide Fuel Cells